NPPES file of Aug 9, 2026

Stephen William Carstensen, DDS

General Practice Dentistry · Seattle, WA

Stephen William Carstensen, DDS is a general practice dentistry with a practice address in Seattle, Washington, and NPI 1023160363, issued on Jan 17, 2007. Check the license (Washington DE00006409, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1023160363
Name
Stephen William Carstensen
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
DE00006409 WA
Self-reported in NPPES; status is on the state search
Practice location
622 S Washington St, Seattle, WA 98104
Phone
(425) 552-3999
Enumerated
Jan 17, 2007
Record last updated
Jan 6, 2026
Fax
(425) 552-3999
Medicare enrollment
Enrolled (PECOS I20110328000094); may accept Medicare assignment
Medical or professional school
Baylor College Of Dentistry/Texas A&M University, 1983
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Stephen William Carstensen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license DE00006409    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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General Practice Dentistry providers in Washington

There are 3,196 general practice dentistry records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 3,196 in Washington → Every provider in Seattle →

Other general practice dentistry records in Washington

  1. Royal Aaby, DDSSilverdale, WA1487775912
  2. Sara AbdelhaiAuburn, WA1912745928
  3. David Abdo, D.D.SArlington, WA1215022199
  4. Megan Abdo, DDSBellingham, WA1750993911
  5. Susan Abdun-Nur, DDSBellevue, WA1497778872
  6. Norman Abe, DDSSeattle, WA1699852590
  7. Parvin Abedi, DDSTacoma, WA1467516310
  8. Larry Abell, DDSInchelium, WA1609913144
  9. Jeffrey Abolofia, DDSBurien, WA1386629657
  10. Greg Achtemichuk, DDSMukilteo, WA1780767533

Common questions

What is Stephen William Carstensen, DDS's NPI number?

Stephen William Carstensen, DDS's National Provider Identifier (NPI) is 1023160363, issued on Jan 17, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Stephen William Carstensen, DDS located?

The NPPES record lists a practice address at 622 S Washington St, Seattle, WA, 98104. Phone: (425) 552-3999. Providers update this record themselves, so call before visiting.

How can I verify Stephen William Carstensen, DDS's license?

NPPES lists Washington license number DE00006409, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.